Chapter 6: Drug Formulations & Patient Counseling Flashcards
Which 5HT3-RA comes in a long-acting patch?
Granisetron
Which sweetener added to some drug formulations causes gas, cramping, and bloating in sensitive patients (i.e. patients with IBS)?
Sorbitol
Which sweetener is dangerous for those with phenylketonuria (PKU)?
Phenylalanine
What is the most commonly used excipient in drug formulations?
lactose
What should you instruct patients on when using granules, powders or capsules that can be opened and sprinkled into soft food and water?
- Do not chew any long-acting pellets or beads that are emptied out from a capsule
- Do not let the mixture sit too long if capsule contents are mixed in food or liquid
- Do not add to anything warm or hot
T or F: you can crush or chew long-acting medications
false; this could lead to a fatal dose
What are osmotic release oral systems?
They provide fast drug delivery
followed by an extended release in one drug
What is an important counseling point about osmotic release oral systems (OROS)?
The tablet/shell may be visible in the patient’s stool (called a ghost tablet/capsule)
Why are long-acting medications used?
- To avoid nausea or provide a long duration of action
- Reduces high “peaks” which reduces side effects
T or F: some long-acting opioid capsules can be opened and the contents sprinkled on certain foods
True
Which long-acting medications can be cut at the score line?
toprol XL
sinemet CR (carbodopa/levodopa)
Where on the body can patches be placed?
chest (upper)
back (upper and lower)
upper arm (on the part facing out)
flanks (sides of the body, abdomen level)
Where is Daytrana patch applied?
To the hip
alternating between right and left hip daily
Where is Transderm Scop patch applied?
Behind the ear
at least 4 hours before needed
alternating ears Q72H
Which patch can be cut into pieces?
Lidoderm